[Bug tree-optimization/92834] New: misssed SLP vectorization in LightPixel

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92834

            Bug ID: 92834
           Summary: misssed SLP vectorization in LightPixel
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hubicka at gcc dot gnu.org
  Target Milestone: ---

Created attachment 47431
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47431&action=edit
simplified testcase

Clang is able to vectorize LightPixel which leads to about 10% improvements in
rasterflood-svg Firefox benchmark.